Handle the use case of output of threshold from dax is zero cells.
Handle the use case of output of threshold from dax is zero cells.

cryos/tomviz,cryos/tomviz,yijiang1/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,cjh1/tomviz,mathturtle/tomviz,thewtex/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,Hovden/tomviz,thewtex/tomviz,mathturtle/tomviz,thewtex/tomviz,cryos/tomviz,cjh1/tomviz,yijiang1/tomviz,mathturtle/tomviz,Hovden/tomviz,cjh1/tomviz